Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 9" Grade 8 [Cup Point] [External Square Drive] Quantity:Unity they'reabout 25%stronger than medium-strength steel

they'reabout 25%stronger than medium-strength steel locknuts

The screws have a thread of 3/4-10 and a length of 20

This hexagonal bolt has a length of 8" with a threading of 1-1/2-6 [Partially Threaded]

This rod has a length of 36 and a thread of 10-24

This hexagonal bolt has a length of 10 with a threading of 1-1/2-6 [Partially Threaded]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1/2-13 * 9" Grade 8 [Cup Point] [External Square Drive] Quantity:Unity they'reabout 25%stronger than medium-strength steelUse these set screws for light duty holding. A square head allows them to be turned by hand, or fastened with a wrench when you need more torque. The cup point has a thin edge that digs into the contact surface for a secure hold. Length is measured from under the head. The screw has a length of 9" and a thread of 1 2 13.